[alsa-devel] Use of start_frame in usbusx2yaudio.c

Alan Stern stern at rowland.harvard.edu
Wed May 12 16:54:23 CEST 2010

On Tue, 11 May 2010, Sarah Sharp wrote:

> Are there any drivers in the kernel that set urb->start_frame on every
> URB?
> Could those drivers handle it if only the first URB they submitted to
> the host controller was scheduled for that frame ID, and all the rest of
> the URBs were scheduled ASAP?

BTW, urb->start_frame generally is ignored as an input parameter.  Many 
host controller drivers pay no attention to it.  Unless someone has a 
real reason, I think we are better off not using it.

Alan Stern

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